Otherwise I would suggest you consider doing an in-place upgrade repair install (which retains almost all settings and all programs) unless you have a system restore point or disk image created before experiencing this problem.

Most likely, the "restored" windows (the size between full screen and totally minimized - the "middle" button) are out of the display limits, so you can't SEE the windows when they are in that middle position. They are "out of bounds" so to speak.

You didn't have to do a full restore or re-install, just use one of these tricks:

Basically you just hit "restore" on the missing windows, then hold shift while r/clicking on the tab in the taskbar. Then slide your mouse up, or down, or to either side until the window appears again.

This is a common problem, so bookmark that. Sorry I didn't see this sooner!

How to resize windows when the resize want work

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